| Home |
| Search |
| Today's Posts |
|
|
|
#2
posted to rec.boats
|
|||
|
|||
I/O Conversion/350 to 305
On 3/30/2014 9:21 PM, wrote:
On Sun, 30 Mar 2014 14:53:54 -0400, "Mr. Luddite" wrote: On 3/30/2014 1:14 PM, wrote: On Sun, 30 Mar 2014 12:37:34 -0400, Poquito Loco wrote: On Sun, 30 Mar 2014 12:14:20 -0400, wrote: EFI made the whole archaic carburetor technology obsolete. The power we are getting out of small blocks puts my old 327s to shame and reliability is magnitudes better. They are getting much more HP per Cu/In at the wheel than they used to get at the crank. I wouldn't be surprised to see EFI weed eaters and lawn mowers in the next few years. The microprocessor would cost less than a buck. The enclosure and connectors will be more of the price than the chip. The only trick I see is how you power the chip and injectors until you get it going. If this is an electric start lawn tractor, that is not an issue. If the manufactures could develop some type of standard, it seems a rechargeable battery, such as a LiPo, could provide the energy. Or, a plug in to a cigarette lighter, just to get the chain saw, mower, weed eater, whatever, started. Actually you could probably do it with a capacitor, like the old Triumph trick. Then you don't have the battery problem at all. Yank the cord a few times with the ignition off to charge the cap, turn it on yank and go. "Super" and "Ultra" capacitors are becoming more common in many low current applications and can replace a battery in many cases. I first learned about them when a company up here in MA started making under saddle acoustic guitar pickups using a Super Capacitor instead of the traditional 9 volt battery to power the pickup's pre-amplifier (located in the guitar). The pickup is supplied with a small AC adaptor that has a standard, 1/4" guitar plug on it's output. You simply plug the plug into the guitar's output jack, plug the AC power supply into the wall, wait for 60 seconds and remove. The Super capacitor typically powers the preamp for about 40 hours of continuous play. When discharged, you just repeat the process. I had guitars that I initially charged and two months later they still played fine without a recharge. I think some of the crank type flashlights also use Super Capacitors. Again, how long it takes before a recharge is required depends on the current draw. I doubt the super caps would have the current to fire injectors. They are really meant for long term, low current loads. In this case you need something that gives you a high current, short duration shot and only has to hold the charge for a few seconds to start it. Once it is going that is more like milliseconds. You would not need much of a charging coil in the stator to keep things going. Gee. Diesels got along fine without electricity for years. Fuel + Air = Runs (assuming you can turn them over with a crank) |
|
#3
posted to rec.boats
|
|||
|
|||
|
I/O Conversion/350 to 305
On Sun, 30 Mar 2014 21:27:29 -0400, "Mr. Luddite" wrote:
On 3/30/2014 9:21 PM, wrote: On Sun, 30 Mar 2014 14:53:54 -0400, "Mr. Luddite" wrote: On 3/30/2014 1:14 PM, wrote: On Sun, 30 Mar 2014 12:37:34 -0400, Poquito Loco wrote: On Sun, 30 Mar 2014 12:14:20 -0400, wrote: EFI made the whole archaic carburetor technology obsolete. The power we are getting out of small blocks puts my old 327s to shame and reliability is magnitudes better. They are getting much more HP per Cu/In at the wheel than they used to get at the crank. I wouldn't be surprised to see EFI weed eaters and lawn mowers in the next few years. The microprocessor would cost less than a buck. The enclosure and connectors will be more of the price than the chip. The only trick I see is how you power the chip and injectors until you get it going. If this is an electric start lawn tractor, that is not an issue. If the manufactures could develop some type of standard, it seems a rechargeable battery, such as a LiPo, could provide the energy. Or, a plug in to a cigarette lighter, just to get the chain saw, mower, weed eater, whatever, started. Actually you could probably do it with a capacitor, like the old Triumph trick. Then you don't have the battery problem at all. Yank the cord a few times with the ignition off to charge the cap, turn it on yank and go. "Super" and "Ultra" capacitors are becoming more common in many low current applications and can replace a battery in many cases. I first learned about them when a company up here in MA started making under saddle acoustic guitar pickups using a Super Capacitor instead of the traditional 9 volt battery to power the pickup's pre-amplifier (located in the guitar). The pickup is supplied with a small AC adaptor that has a standard, 1/4" guitar plug on it's output. You simply plug the plug into the guitar's output jack, plug the AC power supply into the wall, wait for 60 seconds and remove. The Super capacitor typically powers the preamp for about 40 hours of continuous play. When discharged, you just repeat the process. I had guitars that I initially charged and two months later they still played fine without a recharge. I think some of the crank type flashlights also use Super Capacitors. Again, how long it takes before a recharge is required depends on the current draw. I doubt the super caps would have the current to fire injectors. They are really meant for long term, low current loads. In this case you need something that gives you a high current, short duration shot and only has to hold the charge for a few seconds to start it. Once it is going that is more like milliseconds. You would not need much of a charging coil in the stator to keep things going. Gee. Diesels got along fine without electricity for years. Fuel + Air = Runs (assuming you can turn them over with a crank) We had a gas pony engine to start the diesel on the Cat on the farm. That worked, if you could get the pony started. That was the 'crank'! Like this: https://www.youtube.com/watch?v=zrt06cdkpk8 |
| Reply |
| Thread Tools | Search this Thread |
| Display Modes | |
|
|
Similar Threads
|
||||
| Thread | Forum | |||
| M4P conversion question... | General | |||
| Need help with OMC 50 hp 2 cyl to 60 HP conversion | General | |||
| Hydrofoil Conversion | Boat Building | |||
| lifeboat conversion | Boat Building | |||
| Jet or Jet Conversion ? | Cruising | |||
Hybrid Mode
